memory corruption in X.25 facilities parsing

[pandora-kernel.git] / net / socket.c

diff --git a/net/socket.c b/net/socket.c
index 3e8d4e3..d146030 100644 (file)
--- a/net/socket.c
+++ b/net/socket.c
@@ -695,7 +695,7 @@ static ssize_t sock_sendpage(struct file *file, struct page *page,
        if (more)
                flags |= MSG_MORE;
 
-       return sock->ops->sendpage(sock, page, offset, size, flags);
+       return kernel_sendpage(sock, page, offset, size, flags);
 }
 
 static ssize_t sock_splice_read(struct file *file, loff_t *ppos,
@@ -1216,7 +1216,7 @@ int sock_create_kern(int family, int type, int protocol, struct socket **res)
        return __sock_create(&init_net, family, type, protocol, res, 1);
 }
 
-asmlinkage long sys_socket(int family, int type, int protocol)
+SYSCALL_DEFINE3(socket, int, family, int, type, int, protocol)
 {
        int retval;
        struct socket *sock;
@@ -1257,8 +1257,8 @@ out_release:
  *     Create a pair of connected sockets.
  */
 
-asmlinkage long sys_socketpair(int family, int type, int protocol,
-                              int __user *usockvec)
+SYSCALL_DEFINE4(socketpair, int, family, int, type, int, protocol,
+               int __user *, usockvec)
 {
        struct socket *sock1, *sock2;
        int fd1, fd2, err;
@@ -1365,7 +1365,7 @@ out_fd:
  *     the protocol layer (having also checked the address is ok).
  */
 
-asmlinkage long sys_bind(int fd, struct sockaddr __user *umyaddr, int addrlen)
+SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen)
 {
        struct socket *sock;
        struct sockaddr_storage address;
@@ -1394,7 +1394,7 @@ asmlinkage long sys_bind(int fd, struct sockaddr __user *umyaddr, int addrlen)
  *     ready for listening.
  */
 
-asmlinkage long sys_listen(int fd, int backlog)
+SYSCALL_DEFINE2(listen, int, fd, int, backlog)
 {
        struct socket *sock;
        int err, fput_needed;
@@ -1567,8 +1567,8 @@ asmlinkage long sys_paccept(int fd, struct sockaddr __user *upeer_sockaddr,
 #endif
 #endif
 
-asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr,
-                          int __user *upeer_addrlen)
+SYSCALL_DEFINE3(accept, int, fd, struct sockaddr __user *, upeer_sockaddr,
+               int __user *, upeer_addrlen)
 {
        return do_accept(fd, upeer_sockaddr, upeer_addrlen, 0);
 }
@@ -1585,8 +1585,8 @@ asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr,
  *     include the -EINPROGRESS status for such sockets.
  */
 
-asmlinkage long sys_connect(int fd, struct sockaddr __user *uservaddr,
-                           int addrlen)
+SYSCALL_DEFINE3(connect, int, fd, struct sockaddr __user *, uservaddr,
+               int, addrlen)
 {
        struct socket *sock;
        struct sockaddr_storage address;
@@ -1617,8 +1617,8 @@ out:
  *     name to user space.
  */
 
-asmlinkage long sys_getsockname(int fd, struct sockaddr __user *usockaddr,
-                               int __user *usockaddr_len)
+SYSCALL_DEFINE3(getsockname, int, fd, struct sockaddr __user *, usockaddr,
+               int __user *, usockaddr_len)
 {
        struct socket *sock;
        struct sockaddr_storage address;
@@ -1648,8 +1648,8 @@ out:
  *     name to user space.
  */
 
-asmlinkage long sys_getpeername(int fd, struct sockaddr __user *usockaddr,
-                               int __user *usockaddr_len)
+SYSCALL_DEFINE3(getpeername, int, fd, struct sockaddr __user *, usockaddr,
+               int __user *, usockaddr_len)
 {
        struct socket *sock;
        struct sockaddr_storage address;
@@ -1680,9 +1680,9 @@ asmlinkage long sys_getpeername(int fd, struct sockaddr __user *usockaddr,
  *     the protocol.
  */
 
-asmlinkage long sys_sendto(int fd, void __user *buff, size_t len,
-                          unsigned flags, struct sockaddr __user *addr,
-                          int addr_len)
+SYSCALL_DEFINE6(sendto, int, fd, void __user *, buff, size_t, len,
+               unsigned, flags, struct sockaddr __user *, addr,
+               int, addr_len)
 {
        struct socket *sock;
        struct sockaddr_storage address;
@@ -1691,6 +1691,8 @@ asmlinkage long sys_sendto(int fd, void __user *buff, size_t len,
        struct iovec iov;
        int fput_needed;
 
+       if (len > INT_MAX)
+               len = INT_MAX;
        sock = sockfd_lookup_light(fd, &err, &fput_needed);
        if (!sock)
                goto out;
@@ -1725,7 +1727,8 @@ out:
  *     Send a datagram down a socket.
  */
 
-asmlinkage long sys_send(int fd, void __user *buff, size_t len, unsigned flags)
+SYSCALL_DEFINE4(send, int, fd, void __user *, buff, size_t, len,
+               unsigned, flags)
 {
        return sys_sendto(fd, buff, len, flags, NULL, 0);
 }
@@ -1736,9 +1739,9 @@ asmlinkage long sys_send(int fd, void __user *buff, size_t len, unsigned flags)
  *     sender address from kernel to user space.
  */
 
-asmlinkage long sys_recvfrom(int fd, void __user *ubuf, size_t size,
-                            unsigned flags, struct sockaddr __user *addr,
-                            int __user *addr_len)
+SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
+               unsigned, flags, struct sockaddr __user *, addr,
+               int __user *, addr_len)
 {
        struct socket *sock;
        struct iovec iov;
@@ -1747,6 +1750,8 @@ asmlinkage long sys_recvfrom(int fd, void __user *ubuf, size_t size,
        int err, err2;
        int fput_needed;
 
+       if (size > INT_MAX)
+               size = INT_MAX;
        sock = sockfd_lookup_light(fd, &err, &fput_needed);
        if (!sock)
                goto out;
@@ -1790,8 +1795,8 @@ asmlinkage long sys_recv(int fd, void __user *ubuf, size_t size,
  *     to pass the user mode parameter for the protocols to sort out.
  */
 
-asmlinkage long sys_setsockopt(int fd, int level, int optname,
-                              char __user *optval, int optlen)
+SYSCALL_DEFINE5(setsockopt, int, fd, int, level, int, optname,
+               char __user *, optval, int, optlen)
 {
        int err, fput_needed;
        struct socket *sock;
@@ -1824,8 +1829,8 @@ out_put:
  *     to pass a user mode parameter for the protocols to sort out.
  */
 
-asmlinkage long sys_getsockopt(int fd, int level, int optname,
-                              char __user *optval, int __user *optlen)
+SYSCALL_DEFINE5(getsockopt, int, fd, int, level, int, optname,
+               char __user *, optval, int __user *, optlen)
 {
        int err, fput_needed;
        struct socket *sock;
@@ -1854,7 +1859,7 @@ out_put:
  *     Shutdown a socket.
  */
 
-asmlinkage long sys_shutdown(int fd, int how)
+SYSCALL_DEFINE2(shutdown, int, fd, int, how)
 {
        int err, fput_needed;
        struct socket *sock;
@@ -1880,7 +1885,7 @@ asmlinkage long sys_shutdown(int fd, int how)
  *     BSD sendmsg interface
  */
 
-asmlinkage long sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags)
+SYSCALL_DEFINE3(sendmsg, int, fd, struct msghdr __user *, msg, unsigned, flags)
 {
        struct compat_msghdr __user *msg_compat =
            (struct compat_msghdr __user *)msg;
@@ -1986,8 +1991,8 @@ out:
  *     BSD recvmsg interface
  */
 
-asmlinkage long sys_recvmsg(int fd, struct msghdr __user *msg,
-                           unsigned int flags)
+SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg,
+               unsigned int, flags)
 {
        struct compat_msghdr __user *msg_compat =
            (struct compat_msghdr __user *)msg;
@@ -2110,7 +2115,7 @@ static const unsigned char nargs[19]={
  *  it is set by the callees.
  */
 
-asmlinkage long sys_socketcall(int call, unsigned long __user *args)
+SYSCALL_DEFINE2(socketcall, int, call, unsigned long __user *, args)
 {
        unsigned long a[6];
        unsigned long a0, a1;